“Two friends of mine work for the security company, they got me in but they didn’t know I was going to storm the stage,” he told the Mail Online. “I undressed in a backstage store room and considering Lady Gaga is walking about with a flying saucer on her head, not many people notice a guy with a black blanket wrapped around him.”

This simple act of baring it all for a crowd of thousands — not to mention the viewers watching at home — propelled Monahan from well-known Irish stage actor to international hunk.